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GREATBATTERY is a special manufacturer of power products. STI is made up of three locations, Hong Kong Office, USA Office, and the China factory.

We are an ISO Certified professional battery manufacturer with high production capacity, advanced battery production technologies and facilities.

We have improved our Ni-MH battery technology to the highest level, which is suitable for use in most high performance electronic products.


To cope with the innovation of multi-function and high power consuming portable devices in the market place, we are proud to announce the development of SP Enhanced type Ni-MH Battery series with the following unique key features:

  • Enhanced design for more power
  • Enhanced safety and protection
  • Enhanced raw materials
  • Enhanced manufacturing processes
  • Please feel free to contact us to request custom battery packs or for information on becoming a distributor. We are also capable of creating privatelabelling for your company if needed.

    Our USA office was established in 1994, selling Ni-Cd batteries . Beginning in 1996, we began selling Ni-MH batteries, Alkaline primary cells, medical batteries and battery chargers. We are continually expanding our product line to meet the needs of our customers.

    The China factory was established early 2001 in Shenzhen. This factory was designated specifically for assembly of battery packs for both China and USA distribution. In 2003, we completed the acquisition of the Pin Xin Ni-MH battery production facility and began our own battery development and production . We use Japanese imported materials to maintain best quality and faulty-free batteries. In addition to the 100% HK managed structure, we strive to provide the best customer service and products possible.

    STI (HK) Ltd. was established in 2001 in order to handle increasing sales across the globe. We provide a professional sales staff and after sales service to all our customers. Our goal is 100% customer satisfaction before, during and after delivery of Supreme Technologies Inc. products.